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This Siemens undervoltage release, part number 3RV29021AV0, is part of the SIRIUS product line. It is specifically designed for use with 3RV2 series circuit breakers, functioning as an accessory to enhance motor circuit protection.
The device operates with an AC control supply voltage ranging from 400V at 50 Hz to 440V at 60 Hz. It features a protection class rating of IP20 on the front, offering finger-safe touch protection. The undervoltage release is suitable for motor circuit breaker applications and is designed for easy snap-on mounting.
Key technical specifications include an insulation voltage rated value of 690V and a degree of pollution of 3. The operating temperature range is -20°C to +60°C, while storage temperatures can range from -50°C to +80°C. It has a width of 18.5 mm, a height of 90 mm, and a depth of 68 mm.
The control supply voltage is 400 to 440 V AC at 50 to 60 Hz.
The operating temperature range is -20 to +60 °C.
Width 18.5 mm, height 90 mm, depth 68 mm. Mounting type: snap-on.
The rated insulation voltage is 690 V AC.
Protection class IP20 on the front, finger-safe for vertical contact.
The storage temperature range is -50 to +80 °C.
Compatible with SIRIUS 3RV2 circuit breaker sizes S00, S0, S2, and S3.